Home / 40,093.51-55,329.11-22,188.52

Finding the Fourth Proportional to 40,093.51, 55,329.11 and 22,188.52

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Solution

The fourth proportional to 40,093.51, 55,329.11 and 22,188.52 is: 30,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,093.51 : 55,329.11 = 22,188.52 : x
  2. Step 2: Convert to fraction form
    40,093.51/55,329.11 = 22,188.52/x
  3. Step 3: Cross multiply
    40,093.51x = 55,329.11 × 22,188.52
  4. Step 4: Simplify right side
    40,093.51x = 1,227,671,188.45
  5. Step 5: Solve for x
    x = 1,227,671,188.45/40,093.51
  6. Step 6: Final answer
    x = 30,620.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.